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20121202
20121210
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, brazil, the third largest city in the world. in this anatomy of a mega-city, we'll explore: the urban geography of immigration and etic diversity, squatter settlements and self-construction. sao pao, brazil. with its crowded boulevards and massive skyscrapers, it seemswealthy as any city in the world. sao paulo is unique among latin american cities. in the early part ofhe, when places like rio de janeiro copied traditional european styles of construction, sao paulo was following a distinctly american model of urbanism. imitating the forms of chicago and new york, sao paulo built upward, growing vertically very quickly. buin a huge ring around the centrality slies a very different, here, stretching foriles,uickly. is a city of self-built structures in various stages of completion. they line hillsides and rocky streets where some of sao paulo's newest immigrants struggo ild mes om brick and cen where some of sao paulo's alaide and her family came to sao paulo from northeastern brazil. ( alaide speaking portuguese ) translator: from there my father came first to work. came i as a maid,
. in the maya city of copan, a jeweler fashioned rare shell and jade for his powerful lord. in mexico, living artisans echo the economy of a vanished civilization. and in teotihuacan, evidence of mass production has now been unearthed. tiny faces of clay reflect the men and women who made them a thousand years ago. on the other side of the world, in the ancient roman city of ostia, huge merchant ships were part of an economy much like our own. and today, the tanners of morocco still practice their ancient craft, living proof that economies have evolved out of the past. everyone who has ever lived has been part of an economic system. iel bote grande...mil pesos! economic systems are simply the ways people produce, distribute and consume things -- everything and anything, from tortillas to stocks and bonds. for 10,000, 10,000 an eighth. today, as in the past, economic systems lie at the heart of how a society is organized. archaeologists search for these systems because they believe economies hold the key to understanding ancient societies. archaeologist william sanders. the economy of any give
afford to escape the city heat and spend summers at the shore. homer's relatives on both sides had been engaged in shipping and trading for generations. his father, charles savage homer, carried on an import business. his mother, henrietta benson homer, was a watercolorist whose flower pictures were occasionally shown in professional exhibitions. winslow was born in boston in 1836. at t age of 21, after two years of drudgery apprenticed to a commercial lithographer, he vowed he would never have another master and set up his studio at 22 winter street, in a building with publisher m.m. ballou. true to his new england background, homer was forthright and self-reliant. above all, he valued his independence, soon establishing himself as a free-lance illustrator for ballou's pictorial. homer's first important illustration was published in 1857, and within a year, his work began to appear in harper's weekly. his early pictures recorded the ordinary manners and pleasures of american life, reflecting a mood of national self-confidence prior to the civil war. his sketch of the skating pond in ce
the city heat and spend summers at the shore. homer's relatives on both sides had been engaged in shipping and trading for generations. his father, charles savage homer, carried on an import business. his mother, henrietta benson homer, was a watercolorist whose flower pictures were occasionally shown in professional exhibitions. winslow was born in boston in 1836. at the age of 21, after two years of drudgery apprenticeto a commercial lithographer, he vowed he would never have another master and set up his studio at 22 winter street, in a building with publisher m.m. ballou. true to his new england background, homer was forthright and self-reliant. above all, he valued his independence, soon establishing himself as a free-lance illustrator for ballou's pictorial. homer's first important illustration was published in 1857, and within a year, his work began to appear in harper's weekly. his early pictures recorded the ordinary manners and pleasures of american life, reflecting a mood of national self-confidence prior to the civil war. his sketch of the skating pond in central park was publi
unit was established in atlanta, being that it was the largest city in the southeast, to make sure that those mosquito populations were kept under control around the military bases, so that malaria wouldn't come back in this part of the country. and the way you control it, and the way we did in this country, was you got to get rid of the mosquito vector. that takes a sophisticated... well, it takes an organized community effort. the chinese did that in southern china. many places around the world have had malaria problems-- brazil-- that they've brought under control. not so in africa. eradication efforts are erratic. yellow fever is another mosquito-transmitted virus that the french encountered when they occupied west africa. so the way the french dealt with this was to conduct an ongoing every-four-year campaign to vaccinate every person in every country they occupied. they had groups of doctors and nurses--that's all they did. they just went from village to village on this four year cycle. that way, the most that could happen is you'd have a group of susceptible children, but it
. "i'll grubstake you. i'll get you groceries. "i'll feed you and i'll grubstake me. "maybe city college will let you use some of their equipment and we'll make a little animated movie." and he made an animated movie on everything that we-- would you like to see it? okay. roll it, lionel. we'll see it right here, gang. right here. ♪ where did the time go? ♪ does anybody, does anybody know? ♪ ♪ when did the day break? ♪ did someone drop it, was it a mistake? ♪ ♪ la, la, la, la la, la, la... did you know that time's different when you move at different speeds, that when you move through space, you change the rate at which you move into the future? well, you can't really notice these differences for everyday speeds, but for really high speeds like for rockets traveling about half the speed of light, these time differences can be noticed. let's take a look at the so-called twin paradox. well, bye. i don't know if i'll see you again. and while the traveling twin experiences weeks... the stay-at-home twin experiences years. you know, i think i'll just sit here and do noth
and these, all flying apart, is awesome. the energy that takes to light up new york city comes about as a result of water pouring over niagara falls. and every water drop has an energy of about this much, four electron volts. electron volts are tiny unit of energy. it's microscopic unit of energy, yeah? but four electron volts per water drop, tnt-- [makes sounds] --you get about 30 electron volts. high-octane gasoline, about 30 electron volts per molecule of combustion, yeah? one atom, u235, fissions, you get about 200 million electron volts of energy. awesome, awesome. an awful lot of energy for one atom, and that kinda changed the world. and so we now talk about the atomic age or more properly the nuclear age because we're talking about an awful lot of energy for just a little bit of matter. it turns out the most common isotopic uranium is uranium-- let me try it over here-- uranium 238. and when 238 catches a neutron, what it does is it turns to u239. u238 emits alpha particles, but 239 emits beta particles. and guess what the 239 does, gang? it turns into an element beyond uraniu
at a unique ranch. >> the overall theme is, wow, it's pretty spectacular. >> then, farming in the city? sound impossible? not for these folks. >> this is my land, but it's everybody's land. >> next, meet a farmer and a chef who make the perfect pair--terally. >> i think pears are great because they're--i like the versatility. >> then, ever wonder how to pick the best summertime produce? we've got the tricks of the trade from a pro. it's all ahead, and it starts now. [moo] >> here in the tiny town of santa margarita, they have a population of only 1,300. but what they lack in size, they more than make up for in history. that's thanks to its legendary occupant, the santa margarita ranch, one of the oldest, continuously operated cattle ranches in california, and one that draws oohs and ahs from both its visitors and owners. >> the overall theme is, wow, it's pretty spectacular. most people that look at it, just go, ooh, blows you asay. >> this was the most idyllic place in the county. and i really do believe, today, it is truly one of the crown jewels of san luis obispo county. >> i don't know t
Search Results 0 to 7 of about 8